Input: blue gear sector (angular reciprocating motion).
Output: grey shaft of helical groove performing the helical motion.
STEP files of this video:
http://www.mediafire.com/file/0kqsdc5zstkczg3/HelicalMotion1STEP.zip
Inventor files:
http://www.mediafire.com/file/epo9i9z8b49uyci/HelicalMotion1Inv.zip
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